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Ortho

Ortho is a leading brand in pest control, offering powerful insect killer sprays and repellents for indoor, perimeter, and lawn protection. Trusted for effective, long-lasting results.

10 products Updated June 24, 2026

Ortho Products (10)

1
Prime

Ortho Home Defense Max Insect Killer Spray, 24 oz - Indoor & Perimeter Bug Barrier for Ants, Roaches

Ortho
9.7
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional 4.5/5 rating from 3076 reviews
  • Dual-action: kills on contact and provides residual barrier
  • Versatile for indoor and perimeter use
  • Targets ants, roaches, and multiple pests effectively
  • Generous 24-oz size offers good value

Cons

  • Strong chemical odor during application
  • May require reapplication after cleaning or rain outdoors
  • Not suitable for all surfaces or edible areas
2
Prime

Ortho Home Defense Insect Killer for Indoor & Perimeter2: Kills Ants, Roaches, Spiders & More - 1.33 Gal Comfort Wand Spray

Ortho
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Kills a wide range of insects including scorpions, earwigs and periodical cicadas
  • High 4.4/5 rating from over 74,000 reviews proves reliability
  • Easy application indoors and outdoors with precise wand control
  • Long-lasting barrier reduces need for frequent reapplication
  • Safe re-entry once dry, people and pets can return quickly

Cons

  • 12-month protection limited to non-porous indoor surfaces only
  • Requires batteries for Comfort Wand (not specified if included)
  • May need reapplication outdoors where exposure is higher
3
Prime

Ortho Home Defense Max Bed Bug Killer Spray with Comfort Wand - Kills Eggs, Fleas & Ticks, 1 Gallon Indoor Control

Ortho
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Targets and kills bed bug eggs to prevent reinfestation
  • Handles pyrethroid-resistant strains effectively
  • Includes Comfort Wand for easy, mess-free application
  • Also controls fleas and ticks indoors
  • Long-lasting protection on surfaces like ceramic

Cons

  • Requires reapplication every 2 weeks during active infestations
  • Treated areas must dry before people and pets can re-enter
  • Best as spot treatment, not for broadcast spraying
4
Prime

Ortho GroundClear Weed & Grass Killer1 Gal with Comfort Wand - Fast OMRI Listed Spray Kills Dandelions Crabgrass Moss in 15 Min

Ortho
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fast-acting with results in 15 minutes
  • Easy-to-use Comfort Wand for targeted spraying
  • Rainproof protection after 2 hours
  • OMRI listed for organic compatibility
  • Effective on a wide range of weeds and grasses

Cons

  • Not for use on lawns
  • Avoid contact with desired plants
  • Keep children and pets away until dry
5
Prime

Ortho BugClear Insect Killer for Lawns & Landscapes Ready-to-Spray - Kills Mosquitoes, Ticks, Ants, Cicadas & 235+ Bugs, 32 oz Hose-End Spray

Ortho
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Kills bugs by contact in minutes for quick results
  • Broad coverage on lawns, plants, and perimeters
  • Easy hose-connect application saves time
  • Non-staining and odor-free for clean use
  • Treats large areas with one 32 oz bottle

Cons

  • Requires a garden hose for application
  • Best results when applied at first sign of bugs
  • Limited to outdoor lawns and landscapes only
6
Prime

Ortho GroundClear Year Long Vegetation Killer with Comfort Wand - Kills Weeds & Grasses to Root, 1-Year Control, Results in 1 Hour, 1.33 Gal

Ortho
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fast-acting formula shows results in 1 hour
  • Long-lasting weed prevention up to 1 year
  • Easy-to-use Comfort Wand for precise application
  • Effective on hardscapes like driveways and gravel
  • Ready-to-use, no mixing required

Cons

  • Not suitable for lawns or planted areas
  • Best applied on warm sunny days above 60°F
  • Strong formula requires caution near desirable plants
7
Prime

Ortho WeedClear Lawn Weed Killer with Comfort Wand - Kills 250+ Weeds Like Dandelion & Clover to Root, 1 Gallon

Ortho
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Kills weeds fast without damaging listed lawn grasses
  • Comfort Wand makes spot treatment effortless and accurate
  • One application handles multiple weed types effectively
  • Root-killing action prevents regrowth
  • Rainfast quickly for reliable performance

Cons

  • Spot treatment only, not for entire lawn broadcast
  • Limited to specific grass types like non-Floratam St. Augustine
  • Best results below 90°F daytime temperatures
8
Prime

Ortho WeedClear Lawn Weed Killer Ready-to-Use 1 Gal with Comfort Wand - Kills Crabgrass, Dandelion, Clover & 200+ Weeds to Roots

Ortho
9.3
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Kills weeds to the root without lawn damage
  • Easy precise application with Comfort Wand
  • Rainproof protection in 1 hour
  • Works on multiple common lawn grass types
  • One-application effectiveness

Cons

  • Spot treatment only, not for entire lawn broadcast
  • Apply only between 45°F and 90°F for best results
  • Keep people and pets off until dry
9
Pros & Cons

Pros

  • Kills wide variety of common lawn weeds without damaging grass
  • Fast-acting with results in hours and quick rainproofing
  • Easy hose-connected sprayer covers large areas effortlessly
  • Root-killing action prevents regrowth
  • Pet and people-friendly after drying

Cons

  • Targets broadleaf weeds only, not grassy weeds
  • Most effective on small, actively growing weeds
  • Requires dry conditions for full rainproofing in one hour
10
Pros & Cons

Pros

  • No measuring or mixing required
  • Multiple dilution and spray options for versatility
  • Comfortable ergonomic design
  • Prevents backflow into water supply
  • Works with various liquid concentrates

Cons

  • Requires standard garden hose connection
  • Plastic build may wear with heavy long-term use
  • Not suitable for dry granular products

Ortho Brand Guide

Ortho Brand Overview and History

Ortho has been a cornerstone in the pest control industry since 1929, when it was founded as part of the Ortho Chemical Corporation. Originally focused on agricultural solutions, the brand quickly expanded into consumer lawn and garden products, becoming synonymous with effective insect control. Today, under the Scotts Miracle-Gro umbrella, Ortho offers a comprehensive lineup of pest management solutions tailored for homeowners. Renowned for its science-backed formulas, Ortho products target a wide array of common household and outdoor pests, ensuring your living spaces remain comfortable and safe. From its early innovations in insecticides to modern, eco-conscious sprays, Ortho's commitment to quality has earned it millions of loyal customers worldwide. The brand's evolution reflects a deep understanding of homeowner needs, blending potency with ease of use in every bottle.

Key Product Categories and Features

Ortho's portfolio shines in the Patio, Lawn & Garden > Pest Control > Repellents > Sprays category, with products designed for versatile application. Here's a breakdown of standout offerings and their core features:

  • Home Defense Max Insect Killer, 24-oz. (4.5/5 Rating): This ready-to-use spray delivers maximum strength against tough pests. Key features include a fast-killing formula that eliminates ants, roaches, spiders, and ticks on contact, with residual protection lasting up to 12 months indoors. The ergonomic trigger ensures precise application without drips.
  • Ortho Home Defense Insect Killer for Indoor and Perimeter2 with Comfort Wand, 1.33 gal (4.4/5 Rating): Ideal for larger areas, this concentrate covers up to 5,300 sq. ft. It controls over 130 pests, including ants, roaches, spiders, and scorpions. The Comfort Wand allows for comfortable, wand-style spraying up to 5 ft., reducing back strain. Provides 12-month indoor and 3-month outdoor barrier protection.

Common features across Ortho sprays include non-staining formulas safe for indoor use, odor-free application, and child-resistant packaging. These repellents not only kill on contact but create invisible barriers to prevent reinfestation, making them perfect for patios, lawns, gardens, and home perimeters.

Why Choose Ortho for Pest Control?

Choosing Ortho means investing in proven performance backed by decades of expertise. High customer ratings (averaging 4.4-4.5 stars) highlight its reliability—users rave about quick results and ease of use. Unlike generic sprays, Ortho's advanced formulas penetrate cracks and crevices where pests hide, offering superior coverage. They're also budget-friendly for affiliate shoppers, with large sizes providing value without frequent rebuys. Safety is paramount: EPA-registered ingredients ensure low toxicity for pets and families when used as directed. For SEO-savvy homeowners searching 'best insect killer sprays,' Ortho ranks high due to its targeted pest control for lawns, patios, and gardens. Whether dealing with seasonal invasions or year-round maintenance, Ortho empowers you to reclaim your space effortlessly. Pair it with affiliate links for exclusive deals and transform pest problems into protected paradise.

In competitive tests, Ortho outperforms many rivals in kill speed and longevity, making it a top pick for reviews. Its focus on user comfort, like the innovative Comfort Wand, sets it apart from bulky alternatives. Homeowners appreciate the no-mess, no-fuss approach, especially for perimeter treatments around gardens and patios where kids and pets play.

FAQ

What pests does Ortho Home Defense kill?

Ortho products effectively target ants, roaches, spiders, ticks, scorpions, and over 130 other listed insects, providing broad-spectrum control for indoor and outdoor use.

Is Ortho safe for indoor use around pets and children?

Yes, when applied as directed and allowed to dry, Ortho sprays are safe with low-odor, non-staining formulas. Keep pets and kids away during application.

How long does Ortho insect killer protection last?

Indoor protection lasts up to 12 months, while outdoor perimeter barriers hold for up to 3 months, depending on weather and pest pressure.

Can I use Ortho sprays on my lawn and garden?

Absolutely—designed for patios, lawns, and gardens, these repellents create effective barriers against crawling and flying pests without harming plants when used properly.

What's the best Ortho product for perimeter treatment?

The 1.33 gal Ortho Home Defense with Comfort Wand is ideal for large perimeters, covering up to 5,300 sq. ft. with easy, wand-applied precision.